Home / 48,213.39-72,308.27-20,133.66

Finding the Fourth Proportional to 48,213.39, 72,308.27 and 20,133.66

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Solution

The fourth proportional to 48,213.39, 72,308.27 and 20,133.66 is: 30,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,213.39 : 72,308.27 = 20,133.66 : x
  2. Step 2: Convert to fraction form
    48,213.39/72,308.27 = 20,133.66/x
  3. Step 3: Cross multiply
    48,213.39x = 72,308.27 × 20,133.66
  4. Step 4: Simplify right side
    48,213.39x = 1,455,830,022.70
  5. Step 5: Solve for x
    x = 1,455,830,022.70/48,213.39
  6. Step 6: Final answer
    x = 30,195.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.